Company Filing History:
5 out of 27,375 
1 out of 21 Years Active: 1989-2011
Title: The Innovative Mind of Masatoshi Takao: Pioneering Reversible Optical Information Recording
Introduction: Masatoshi Takao, an eminent inventor residing in Osaka, Japan, has made significant contributions to the field of optical information storage. With six patents to his name, his work primarily focuses on advancements in phase-change optical information recording media. His innovative ideas reflect a blend of scientific expertise and practical application, showcasing his dedication to creating revolutionary technologies.
Latest Patents: One of Takao's latest inventions is the "Reversible Optical Information-Recording Medium - Phase-Change Type." This remarkable invention allows for the recording, reproducing, erasing, and rewriting of information using a laser beam. It features a recording thin film composed of ternary elements such as Germanium (Ge), Tellurium (Te), Antimony (Sb), and Bismuth (Bi). Additionally, it includes quaternary elements where Selenium (Se) replaces a part of Te, deposited on flat substrates like glass or plastics.
The crucial aspect of this invention is the balanced component ratio of Te and Se with respect to other elements. This ensures stable compounds of stoichiometric compositions, such as GeTe, SbTe, or BiTe, when crystallized. By carefully selecting the concentration of each component, Takao's invention achieves a high crystallization speed and long cyclability of recording and erasing. Importantly, the inclusion of Se enhances the viscosity of the system and facilitates the attainment of an amorphous state. This results in superior recording and erasing characteristics, marking a significant improvement in optical information storage technology.
Career Highlights: Throughout his career, Masatoshi Takao has collaborated with prestigious organizations, notably with Matsushita Electric Industrial Co., Ltd. and Matsushita Electronic Industrial Co., Ltd. His work in these companies has played a crucial role in shaping the future of optical data storage technologies.
Collaborations: Takao has worked alongside notable colleagues, including Kunio Kimura and Noboru Yamada. Their collaborations have led to groundbreaking developments in the realm of optical information storage, reinforcing Takao's reputation as a visionary inventor.
Conclusion: Masatoshi Takao's contributions to the field of optical information recording have established him as a pioneering inventor. His innovative spirit and commitment to advancing technology are showcased through his impressive patents. As the demand for efficient and reliable data storage solutions continues to grow, Takao's work promises to play a vital role in shaping the future of this industry.